What is the meaning of OPER. Phrases containing OPER
See meanings and uses of OPER!OPER
OPER
NASA
Operations
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Operation
US Military
Operator
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OPER
OPER
OPER
a.
Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks.
a.
Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.
n.
The principal opercular bone or operculum of fishes.
n. pl.
See Operculum.
a.
Alt. of Operculated
pl.
of Operculum
n.
The principal opercular bone in the upper and posterior part of the gill cover.
pl.
of Operculum
a.
Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive.
a.
Operose.
n.
Any one of the bony plates which support the gill covers of fishes; an opercular bone.
a.
Bearing an operculum.
a.
Based upon, or consisting of, an operation or operations; as, operative surgery.
n.
An operculum.
n.
One who, or that which, operates or produces an effect.
a.
Producing the appropriate or designed effect; efficacious; as, an operative dose, rule, or penalty.
n.
Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
n.
A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory.
adv.
In an operative manner.
n.
The symbol that expresses the operation to be performed; -- called also facient.
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